package com.dalianpai.gulimall.gulimallauthserver.controller;

import com.alibaba.fastjson.TypeReference;
import com.dalianpai.common.constant.AuthServerConstant;
import com.dalianpai.common.exception.BizCodeEnume;
import com.dalianpai.common.utils.R;
import com.dalianpai.common.vo.MemberRespVo;
import com.dalianpai.gulimall.gulimallauthserver.feign.MemberFeignService;
import com.dalianpai.gulimall.gulimallauthserver.feign.ThirdPartFeignService;
import com.dalianpai.gulimall.gulimallauthserver.vo.UserLoginVo;
import com.dalianpai.gulimall.gulimallauthserver.vo.UserRegistVo;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;
import javax.validation.Valid;
import javax.validation.constraints.NotEmpty;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

/**
 * @author WGR
 * @create 2020/7/14 -- 15:50
 */
@Controller
public class LoginController {

    @Autowired
    ThirdPartFeignService thirdPartFeignService;

    @Autowired
    StringRedisTemplate redisTemplate;

    @Autowired
    MemberFeignService memberFeignService;

    @ResponseBody
    @GetMapping("/sms/sendCode")
    public R sendCode(@RequestParam("phone") String phone) {
        String redisCode = redisTemplate.opsForValue().get(AuthServerConstant.SMS_CODE_CACHE_PREFIX+phone);
        if(StringUtils.isNotBlank(redisCode)){
            long l = Long.parseLong(redisCode.split("_")[1]);
            if(System.currentTimeMillis() - l < 60000){
                return R.error(BizCodeEnume.SMS_CODE__EXCEPTION.getCode(),BizCodeEnume.SMS_CODE__EXCEPTION.getMessage());
            }
        }
        String code = UUID.randomUUID().toString().substring(0, 6);
        String code2 = code+"_"+System.currentTimeMillis();
        redisTemplate.opsForValue().set(AuthServerConstant.SMS_CODE_CACHE_PREFIX+phone,code2,60, TimeUnit.SECONDS);
        thirdPartFeignService.sendCode(phone,code);
        return R.ok();
    }

    @PostMapping("/regist")
    public String regist(@Valid UserRegistVo vo, BindingResult result, RedirectAttributes redirectAttributes){
        if(result.hasErrors()){
            Map<String, String> errors = result.getFieldErrors().stream().collect(Collectors.toMap(FieldError::getField, FieldError::getDefaultMessage));
            redirectAttributes.addFlashAttribute("errors",errors);
            return "redirect:http://auth.gulimall.com/reg.html";
        }

        //1.校验验证码
       String code = vo.getCode();
        String s = redisTemplate.opsForValue().get(AuthServerConstant.SMS_CODE_CACHE_PREFIX + vo.getPhone());
        if(StringUtils.isNotBlank(s)){
            if(code.equals(s.split("_")[0])){
                redisTemplate.delete(AuthServerConstant.SMS_CODE_CACHE_PREFIX + vo.getPhone());
                R r = memberFeignService.regist(vo);
                if(r.getCode() == 0){
                    return "redirect:http://auth.gulimall.com/login.html";
                }else{
                    HashMap<String, String> errors = new HashMap<>();
                    errors.put("msg",r.getData("msg",new TypeReference<String>(){}));
                    System.out.println(errors);
                    redirectAttributes.addFlashAttribute("errors",errors);
                    return "redirect:http://auth.gulimall.com/reg.html";
                }
            }else{
                HashMap<String, String> errors = new HashMap<>();
                errors.put("code","验证码错误");
                redirectAttributes.addFlashAttribute("errors",errors);
                return "redirect:http://auth.gulimall.com/reg.html";
            }
        }else{
            HashMap<String, String> errors = new HashMap<>();
            errors.put("code","验证码错误");
            redirectAttributes.addFlashAttribute("errors",errors);
            return "redirect:http://auth.gulimall.com/reg.html";
        }
    }
    
    @GetMapping("/login.html")
    public String loginPage(HttpSession session){
        Object attribute = session.getAttribute(AuthServerConstant.LOGIN_USER);
        if(attribute ==null){
            return "login";
        }else{
            return "redirect:http://gulimall.com";
        }
    }

    @PostMapping("/login")
    public String login(UserLoginVo vo, RedirectAttributes redirectAttributes, HttpSession httpSession){
        R login = memberFeignService.login(vo);
        System.out.println(login);
        if(login.getCode()==0){
            MemberRespVo data = login.getData("data", new TypeReference<MemberRespVo>() {
            });
            httpSession.setAttribute(AuthServerConstant.LOGIN_USER,data);
            return "redirect:http://gulimall.com";
        }else{
            HashMap<String, String> errors = new HashMap<>();
            errors.put("msg",login.getData("msg",new TypeReference<String>(){}));
            redirectAttributes.addFlashAttribute("errors",errors);
            return "redirect:http://auth.gulimall.com/login.html";
        }
    }


}
